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Huawei H12-931-ENU Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: Optical Transport Network Fundamentals | - SDH/SONET principles and architecture - WDM system fundamentals - OTN technology and frame structure |
| Topic 2: IPRAN and Converged Transport | - IPRAN architecture and deployment scenarios - Synchronization and timing in transport networks |
| Topic 3: Transmission Network Technologies | - DWDM/ROADM technologies - Optical layer networking and protection mechanisms |
| Topic 4: Network Planning and Maintenance | - Transmission network design principles - Fault management and performance monitoring |
Huawei Certified Internetwork Expert-Transmission Sample Questions:
The following statement about PTN's VPLS technology is wrong,
- A. Need to manually configure the split horizon group to avoid the loop of Full-mesh VPLS
- B. VPLS (Virtual Private LAN Services), is a kind of service similar to LAN provided on MPLS (Multiprotocol Label Switching) network
- C. VSI is a virtual layer 2 forwarding entity, which defines the number of members of the VPLS domain on the PE, similar to a virtual switch
- D. PE only needs to determine the forwarding of the Ethernet frame based on the VLAN ID in the user message without other parameters (such as the destination MAC address in the message, etc.), whether it is forwarded directly to the CE or to the PW through the PW Peer PE
Correct Answer: D 🗳️
If a ROADM site adopts WSS+RMU configuration, which of the following influences on SOM is wrong ()?
- A. If the local RMU is used to add waves and has an optical amplifier, the OSNR value of the wavelength in the pass-through direction detected by SOM will deviate from the actual value
- B. There is a local optical amplifier but no filter, the full-wave noise of the local optical amplifier affects the OSNR of the wavelength in the pass-through direction
- C. The source and sink optical amplifiers of the optical crossover at this site must be in the same network element
Correct Answer: A 🗳️
Suppose there are subnets A1, A2, and A3 under subnet A.
When configuring monitoring settings, if subnets A1, A2, and A3 are not all selected for monitoring, subnet A will not be monitored.
If a new subnet A4 is added under subnet A, the newly added subnet A4 will be monitored only when subnet A is monitored, and the monitoring strategy can be different from the monitoring strategy of subnet A.
- A. TRUE
- B. FALSE
Correct Answer: B 🗳️
An operator needs to configure 60 clients, 200 OptiX PTN 1900, 100 OptiX OSN 3800 (With ASON), 150 NE40E, 200 CX600 series equipment, and the access side is equipped with FTTx OLT and MDU, a total of 80,000 xDSL lines , 70,000 lines of PSTN ports, 30 OLTs and 300 MDU devices are deployed.
Regarding the description of this network, the error is:
- A. The number of physical network elements to be managed by the network management center is 980
- B. In practice, 50% of the current network size needs to be reserved for expansion capacity
- C. The network is a medium-scale network
- D. The number of equivalent network elements for 100 OptiX OSN 3800 (With ASON) is 350
Correct Answer: B 🗳️
Which of the following operations may be caused by non-linear effects
- A. Adjust the gain of the receiving optical amplifier board, reduce the error of the OTU board
- B. Increase the transmitter optical amplifier gain, reduce the bit error of the OTU board
- C. Replace the originating optical amplifier board with a Raman board, reducing the bit error of the OTU board
- D. Reduce the output optical power of the transmitter, reduce the error of the OTU board
Correct Answer: D 🗳️
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